期刊
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2021.1931991
关键词
Bi-layer ceramic (B4C); aluminum (Al7075-T6); honeycomb cell; honeycomb sandwich structures; hypervelocity impact; smoothed particle hydrodynamics (SPH)
The study focuses on using bi-layer Ceramic/Aluminum facesheets for honeycomb sandwich panels as shield for spacecraft, and proposes a modeling strategy for predicting damage characteristics. The results indicate a significant improvement in resistance capacities with bi-layer facesheets compared to monolayer concepts.
In this paper, the honeycomb sandwich panel (HSP) reinforced with bi-layer Ceramic (B4C)/Aluminum (Al7075-T6) facesheets is proposed to be used as a shield for spacecraft against meteoroid orbital debris. A modeling strategy based on Lagrange Finite Element-Smoothed Particle Hydrodynamics (FEM-SPH) coupled method to predict the damage characteristics and the hole morphology is presented for the proposed shielding subjected to hypervelocity impact. The results show good agreement with the experimental data. Based on this investigation, significant improvement in resistance capacities is obtained using the bi-layer B4C/Al7075-T6 facesheets compared to monolayer concepts for HSP.
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